Answer:
H2SO4 (sulphuric acid) is considered a strong acid because it's H+ ions completely dissociates or ionizes in a water. When reacted with phenolphthalein is colourless because phenolphthalein doesn't react with acids, only strong bases and when reacted with methyl orange, it changes from orange to red.
Explanation:
 
        
             
        
        
        
Caused my motion energy or body heat when you move.
        
                    
             
        
        
        
Answer:
molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.
 
        
             
        
        
        
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
        
             
        
        
        
Answer:
This is false as nuclear fuel  is radioactive even before its use in a reactor. 
A nuclear material has a half life that means in that time half of its radioactivity is gone